Abstract
Objective:
To report the prevalence of hypophosphatemia during the first week of life in preterm infants receiving aggressive parenteral nutrition and to analyze population variables associated with severe hypophosphatemia.
Study design:
A retrospective cohort of 61 neonates below 1250 g birth weight consecutively born at Hospital Italiano de Buenos Aires exposed to high caloric and protein intake from the first day of birth. Primary outcome was hypophosphatemia (phosphate <4 mg dl−1). A one-sample mean comparison test was used to compare our sample with a hypothesized population mean.
Results:
The prevalence of hypophosphatemia was 91% (95% confidence interval (CI) 82 to 97%). The mean phosphatemia value was 2.52 mg dl−1 (95% CI 2.18 to 2.86), significantly different from the hypothesized population mean (P<0.001). Patients with severe hypophosphatemia (<2 mg dl−1) were smaller. They presented with sepsis more frequently and received more vasoactive drugs and mechanical ventilation.
Conclusion:
The prevalence of hypophosphatemia in this group of preterm infants is high. The potential association with adverse clinical outcomes deserves further research.
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Brener Dik, P., Galletti, M., Fernández Jonusas, S. et al. Early hypophosphatemia in preterm infants receiving aggressive parenteral nutrition. J Perinatol 35, 712–715 (2015). https://doi.org/10.1038/jp.2015.54
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DOI: https://doi.org/10.1038/jp.2015.54
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